Weather in Big Sky

United States · Montana · 45.2847, -111.3683

Today Now 3:22 PM

+43° Mostly clear

Hourly forecast

Today10/15 Temperature°F Cloudiness Precipitation Windmph Wind gusts Humidity PressureinHg Dew point°F Visibilitymi UV index
Hourly forecast — Big Sky

Forecast in words

Today

Clear throughout the day, high +43°, low +27°. Wind up to 2 mph. The day promises to be dry.

Tomorrow

Tomorrow mostly clear: daytime +55°, nighttime +27°, 13° warmer.

Week

This week temperatures range from +27° to +55°. Peak warmth: Fri, +55°. Nighttime weekly low: +27° (Thu). Precipitation expected: Thu. Sunshine expected on 5 of seven days.

Week vs norm

  1. Today 10/15 +43° −1° usually +44°
  2. Tomorrow 10/16 +55° +12° usually +43°
  3. Sat 10/17 +55° +12° usually +43°
  4. Sun 10/18 +54° +11° usually +43°
  5. Mon 10/19 +55° +13° usually +42°
  6. Tue 10/20 +54° +12° usually +42°
  7. Wed 10/21 +54° +13° usually +41°
  8. Thu 10/22 +41° as usual usually +41°

Difference between forecast daytime high and the 1991–2020 norm for this date.

This day, October 15

Today is cooler than usual for this date.

  • Heat record +65° 1991
  • Cold record +2° 2018
  • Most precipitation 0.7 in 1994
  • Strongest gust 58 mph 2014

Records for this calendar date, 1991-2024, ERA5 reanalysis.

Climate in Big Sky

Today is close to the norm for October.

Climate normals by month, Big Sky
Month Daytime / Nighttime Average Precipitation in
Jan +21° / +7° +13° 1.8
Feb +23° / +8° +15° 2.0
Mar +31° / +14° +21° 2.6
Apr +37° / +19° +27° 3.7
May +47° / +26° +36° 4.0
Jun +60° / +35° +47° 4.0
Jul +72° / +43° +57° 1.8
Aug +71° / +42° +56° 2.0
Sep +61° / +35° +47° 2.3
Oct +44° / +24° +32° 2.8
Nov +29° / +12° +19° 2.1
Dec +21° / +6° +13° 2.0

Climatic normals for 1991–2025 years from ERA5-Land reanalysis.

Astronomical data

Sunrise / sunset 7:41 AM | 6:39 PM
Moon 1:17 PM | 9:15 PM
Moon phase Waxing crescent 24%
Next solar eclipse
Calculating for this city…

Weather in the region